1、USB power interface, whether it is a computer mobile phone charger or a power bank, only 5V/1A power supply can supply power to the hanging lamp. 2、No screen reflection, adopt asymmetrical circuit design, only illuminate the desktop space, effectively reduce screen reflection. 3、Adjustable colour temperature, warm lighting makes people relax, cool lighting makes people concentrate and improve work efficiency. 4、A space‑saving breakthrough design, clamp onto the top of the monitor compared with ordinary desk lamps, it saves 90% of desk space. 5、Exquisite craftsmanship, texture presentation, comfortable and safe to use. 1 x Screen Light 1 x Base1 x Use Manual Item Type: Monitor Light BarMaterial: ABS and AluminumLamp Length: Approx.40cm / 15.7inPower: 5WPower Source: USB CableColour Temperature: Positive White Light, Warm White Light, Natural White (adjustable)